Reliable oxygen transfer in MgAl2O4 spinel through the reversible formation of oxygen vacancies by Cu2+/Fe3+ anchoring
Sign Up to like & getrecommendations! Published in 2018 at "Applied Energy"
DOI: 10.1016/j.apenergy.2018.03.041
Abstract: Abstract This study focused on CuxMg1-xFeyAl2-yO4 oxygen carriers for application in the chemical looping combustion of methane. CuxMg1-xFeyAl2-yO4 was fabricated by simultaneously substituting Mg2+ and Al3+ with Cu2+ and Fe3+ in the spinel structure of… read more here.
Keywords: oxygen; reversible formation; formation oxygen; oxygen transfer ... See more keywords
Oxygen transfer in pilot-scale contactors: An experimental and computational investigation into the effect of contactor design
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.03.067
Abstract: Abstract Oxygen transfer is a key parameter in many industrial bioprocesses, however there are few direct comparisons between different reactor designs and their effect on the Oxygen Transfer Rate (OTR), particularly at high superficial velocities… read more here.
Keywords: oxygen transfer; design; column; bubble column ... See more keywords
Gas-liquid oxygen transfer in aerated and agitated slurry systems with high solid volume fractions
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.05.193
Abstract: Abstract Oxygen transfer can be a limiting step in aerobic biodegradation processes. Therefore, this process has been widely investigated for wastewater treatment, but only few research works have been done on soil slurry systems. This… read more here.
Keywords: slurry systems; oxygen; oxygen transfer; gas liquid ... See more keywords
Application of mathematical modelling for investigating oxygen transfer energy requirement and process design of an aerobic continuous stirred tank fermenter
Sign Up to like & getrecommendations! Published in 2017 at "Food and Bioproducts Processing"
DOI: 10.1016/j.fbp.2017.02.009
Abstract: Abstract Fermentation kinetic and oxygen transfer modelling coupled with energy analysis was applied to investigate how key input design variables influenced fermenter size, feed substrate requirement, wasted substrate and aeration system electrical energy requirement. The… read more here.
Keywords: energy; oxygen transfer; requirement; mathematical modelling ... See more keywords
Effect of biomass features on oxygen transfer in conventional activated sludge and membrane bioreactor systems
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.118071
Abstract: Abstract The aim of the present study was to compare the oxygen transfer efficiency in a conventional activated sludge and a membrane bioreactor system. The oxygen transfer was evaluated by means of the oxygen transfer… read more here.
Keywords: conventional activated; activated sludge; transfer; oxygen transfer ... See more keywords
Simulation of oxygen transfer in liquid lead under influence of nanoparticles by using lattice Boltzmann method
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Mechanics Letters"
DOI: 10.1016/j.taml.2016.11.002
Abstract: Abstract Oxygen transfer presents a serious challenge in the application of liquid lead as a nuclear coolant in advanced reactors. To mitigate corrosion by liquid lead in contact with steel, carefully controlling the oxygen concentration… read more here.
Keywords: oxygen; boltzmann method; lattice boltzmann; oxygen transfer ... See more keywords
Modelling oxygen transfer using dynamic alpha factors.
Sign Up to like & getrecommendations! Published in 2017 at "Water research"
DOI: 10.1016/j.watres.2017.07.032
Abstract: Due to the importance of wastewater aeration in meeting treatment requirements and due to its elevated energy intensity, it is important to describe the real nature of an aeration system to improve design and specification,… read more here.
Keywords: energy; aeration; model; oxygen transfer ... See more keywords
Thiothrix eikelboomii interferes oxygen transfer in activated sludge.
Sign Up to like & getrecommendations! Published in 2019 at "Water research"
DOI: 10.1016/j.watres.2018.12.019
Abstract: This study revealed that, Thiothrix eikelboomii, a well-known filamentous bacterium that causes sludge bulking, could also interfere oxygen transfer during wastewater treatment. The volumetric oxygen transfer coefficient (KLa) in filamentous-bulking sludge (FBS) was found to… read more here.
Keywords: sludge; oxygen transfer; thiothrix eikelboomii; transfer ... See more keywords
Modeling the relationship of aeration, oxygen transfer and treatment performance in aerated horizontal flow treatment wetlands.
Sign Up to like & getrecommendations! Published in 2019 at "Water research"
DOI: 10.1016/j.watres.2019.03.062
Abstract: Mechanical aeration is commonly used to improve the overall treatment efficacy of constructed wetlands. However, the quantitative relationships of air flow rate (AFR), water temperature, field oxygen transfer and treatment performance have not been analyzed… read more here.
Keywords: oxygen; treatment performance; treatment; oxygen transfer ... See more keywords
Photoinduced Oxygen Transfer Using Nitroarenes for the Anaerobic Cleavage of Alkenes.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c05648
Abstract: Herein we report the anaerobic cleavage of alkenes into carbonyl compounds using nitroarenes as oxygen transfer reagents under visible light. This approach serves as a safe and practical alternative to mainstream oxidative cleavage protocols, such… read more here.
Keywords: cleavage; oxygen transfer; using nitroarenes; cleavage alkenes ... See more keywords
Ni-Catalyzed Oxygen Transfer from N2O onto sp3-Hybridized Carbons
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c06227
Abstract: Herein we disclose a catalytic synthesis of cycloalkanols that harnesses the potential of N2O as an oxygen transfer agent onto sp3-hybridized carbons. The protocol is distinguished by its mild conditions and wide substrate scope, thus… read more here.
Keywords: sp3 hybridized; hybridized carbons; oxygen transfer; onto sp3 ... See more keywords